Muse Spark 1.3 Tops FlappyBench Comparison on Cost and Speed

Command Code ·

Key Info

Command Code ran FlappyBench on Muse Spark 1.3, Grok-4.6, and Gemini 3.8 Flash using the same /design prompt. Muse Spark 1.3 scored 9/10 at $0.072 and completed the UI in two iterations, the lowest cost; Grok-4.6 matched the score but cost about twice as much; Gemini 3.8 Flash scored 7/10 at $0.205 and did not fully finish.

Highlights

  • Muse Spark 1.3: 9/10, $0.072, UI done in 2 iterations — best cost-efficiency.
  • Grok-4.6: 9/10, $0.095, same output quality but roughly 2x the cost of Muse.
  • Gemini 3.8 Flash: 7/10, $0.205, most expensive and not fully finished.
  • The same-prompt benchmark shows quality is not tied to cost: the priciest model finished last.
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